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Finding the Fourth Proportional to 495,280.38, 742,500.96 and 195,972.12

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Solution

The fourth proportional to 495,280.38, 742,500.96 and 195,972.12 is: 293,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,280.38 : 742,500.96 = 195,972.12 : x
  2. Step 2: Convert to fraction form
    495,280.38/742,500.96 = 195,972.12/x
  3. Step 3: Cross multiply
    495,280.38x = 742,500.96 × 195,972.12
  4. Step 4: Simplify right side
    495,280.38x = 145,509,487,233.24
  5. Step 5: Solve for x
    x = 145,509,487,233.24/495,280.38
  6. Step 6: Final answer
    x = 293,792.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.